Finding Tangent of Specified Number in Golang Last Updated : 01 Apr, 2020 Comments Improve Suggest changes Like Article Like Report Go language provides inbuilt support for basic constants and mathematical functions to perform operations on the numbers with the help of the math package. You are allowed to find the tangent of the specified radian argument with the help of Tan() function provided by the math package. So, you need to add a math package in your program with the help of the import keyword to access the Tan() function. Syntax: func Tan(y float64) float64 If you pass +Inf or -Inf in this function, then this function will return NaN(not-a-number). If you pass NaN in this function, then this function will return NaN. If you pass 0 in this function, then this function will return 0. Example 1: C // Golang program to illustrate how to find // the tangent of the given radian argument package main import ( "fmt" "math" ) // Main function func main() { // Finding the tangent // of the given value // Using Tan() function res_1 := math.Tan(math.Pi / 4) res_2 := math.Tan(math.Inf(-3)) res_3 := math.Tan(0) res_4 := math.Tan(math.NaN()) res_5 := math.Tan(math.Pi) // Displaying the result fmt.Printf("Result 1: %.1f", res_1) fmt.Printf("\nResult 2: %.1f", res_2) fmt.Printf("\nResult 3: %.1f", res_3) fmt.Printf("\nResult 4: %.1f", res_4) fmt.Printf("\nResult 5: %.1f", res_5) } Output: Result 1: 1.0 Result 2: NaN Result 3: 0.0 Result 4: NaN Result 5: -0.0 Example 2: C // Golang program to illustrate how to find // the tangent of the given radian argument package main import ( "fmt" "math" ) // Main function func main() { // Finding tangent // of the given number nvalue_1 := math.Tan(math.Pi / 3) nvalue_2 := math.Tan(math.Pi / 6) // Sum of the given values res := nvalue_1 + nvalue_2 // Displaying results fmt.Printf("%.1f + %.1f = %.1f", nvalue_1, nvalue_2, res) } Output: 1.7 + 0.6 = 2.3 Comment More infoAdvertise with us Next Article Finding Tangent of Specified Number in Golang K Kirti_Mangal Follow Improve Article Tags : Go Language Golang-Math Similar Reads Finding Hyperbolic Tangent of Specified Number in Golang Go language provides inbuilt support for basic constants and mathematical functions to perform operations on the numbers with the help of the math package. 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